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Published 24 August 20265 min readHow-to

How to set up comment-to-DM automation on Instagram

Someone comments a keyword on your reel and gets a DM seconds later. The setup takes about five minutes — most of the work is choosing the keyword and writing the message.

Comment-to-DM is the automation almost everyone starts with: you post a reel, tell people to comment a word, and the tool sends each of them a DM. This is how to set it up properly, and the things that go wrong when people rush it.

Before you start

  • •Your Instagram account must be a Business or Creator account. Personal accounts cannot use the Meta Graph API at all. Switching is free and takes about 30 seconds in the Instagram app.
  • •You connect through Instagram's own login screen. If a tool asks you to type your Instagram password into its website, stop — that is the category of tool that gets accounts restricted.

Step 1 — Connect the account

Authorise the tool through Instagram's official login. Meta issues it a token scoped to messaging and comments, and you can revoke it from Instagram at any time. This takes under two minutes.

Step 2 — Pick the trigger keyword

This decides whether the automation works, and most people get it wrong. A good keyword is short, easy to spell, and unlikely to appear in a normal comment.

  • •Good: LINK, GUIDE, SEND, PRICE — one word, unambiguous, easy to type on a phone.
  • •Avoid anything people say naturally. A keyword like "info" or "yes" fires on comments that were never meant to trigger it.
  • •Avoid long phrases. Every extra word is another chance for a typo that stops the automation firing.
  • •If your tool supports an any-keyword mode, use it deliberately — it catches everything, including comments you did not intend to answer.

Step 3 — Write the DM

Write it the way you would reply yourself. This message will go out hundreds of times, and identical, obviously-templated copy is what people report as spam.

  • •Open by referring to what they did — they commented on a specific post, so say so.
  • •One link, and say where it goes before they tap it.
  • •Keep it short. A DM is not an email.
  • •If your tool supports reply variations, add two or three so the same message is not repeated verbatim.

Step 4 — Preview, then go live

Preview the flow before you publish. You are checking that the link is right, that the message reads like a person wrote it, and that the trigger is attached to the post you meant.

The four mistakes that cause problems

  • •Triggering on a keyword people use naturally, so the automation fires on unrelated comments and the DM makes no sense.
  • •Sending the same message to people who already got it. Repeat DMs are the single most reported behaviour.
  • •Ignoring people who reply. An automation that starts a conversation and never answers reads worse than no automation at all.
  • •Confusing volume with results. Meta's rate limits apply regardless of what your plan allows, and a higher send count does not mean more customers.

One more, worth its own line: automation only replies to people who engaged with you first. Messaging strangers is not permitted by the official API and is what people mean when they say DM tools get accounts banned.

Written by the IGSender team. Prices were read off each vendor's own pricing page on the date shown, not from a summary of it.

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